shithub: libvpx

Download patch

ref: e9fb970af11a249cf257e84cbc4f08be98081915
parent: 56c2f41ccbcc6115b39bbab62c3c3b4099acd6e9
parent: e7e426b2748e93d32be21457902cbcf97de350a9
author: Dmitry Kovalev <dkovalev@google.com>
date: Tue Apr 8 08:45:49 EDT 2014 

Merge "Moving init_rate_control() to vp9_ratectrl.{c, h}."


--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -748,57 +748,6 @@
   cm->log2_tile_rows = cpi->oxcf.tile_rows;
 }
 
-static void init_rate_control(const VP9_CONFIG *oxcf, int pass,
-                              RATE_CONTROL *rc) {
-  if (pass == 0 && oxcf->end_usage == USAGE_STREAM_FROM_SERVER) {
-    rc->avg_frame_qindex[0] = oxcf->worst_allowed_q;
-    rc->avg_frame_qindex[1] = oxcf->worst_allowed_q;
-    rc->avg_frame_qindex[2] = oxcf->worst_allowed_q;
-  } else {
-    rc->avg_frame_qindex[0] = (oxcf->worst_allowed_q +
-                                   oxcf->best_allowed_q) / 2;
-    rc->avg_frame_qindex[1] = (oxcf->worst_allowed_q +
-                                   oxcf->best_allowed_q) / 2;
-    rc->avg_frame_qindex[2] = (oxcf->worst_allowed_q +
-                                   oxcf->best_allowed_q) / 2;
-  }
-
-  rc->last_q[0] = oxcf->best_allowed_q;
-  rc->last_q[1] = oxcf->best_allowed_q;
-  rc->last_q[2] = oxcf->best_allowed_q;
-
-  rc->buffer_level =    oxcf->starting_buffer_level;
-  rc->bits_off_target = oxcf->starting_buffer_level;
-
-  rc->rolling_target_bits      = rc->av_per_frame_bandwidth;
-  rc->rolling_actual_bits      = rc->av_per_frame_bandwidth;
-  rc->long_rolling_target_bits = rc->av_per_frame_bandwidth;
-  rc->long_rolling_actual_bits = rc->av_per_frame_bandwidth;
-
-  rc->total_actual_bits = 0;
-  rc->total_target_vs_actual = 0;
-
-  rc->baseline_gf_interval = DEFAULT_GF_INTERVAL;
-  rc->frames_since_key = 8;  // Sensible default for first frame.
-  rc->this_key_frame_forced = 0;
-  rc->next_key_frame_forced = 0;
-  rc->source_alt_ref_pending = 0;
-  rc->source_alt_ref_active = 0;
-
-  rc->frames_till_gf_update_due = 0;
-
-  rc->ni_av_qi = oxcf->worst_allowed_q;
-  rc->ni_tot_qi = 0;
-  rc->ni_frames = 0;
-
-  rc->tot_q = 0.0;
-  rc->avg_q = vp9_convert_qindex_to_q(oxcf->worst_allowed_q);
-
-  rc->rate_correction_factor = 1.0;
-  rc->key_frame_rate_correction_factor = 1.0;
-  rc->gf_rate_correction_factor = 1.0;
-}
-
 static void init_config(struct VP9_COMP *cpi, VP9_CONFIG *oxcf) {
   VP9_COMMON *const cm = &cpi->common;
   int i;
@@ -1195,7 +1144,7 @@
   cpi->use_svc = 0;
 
   init_config(cpi, oxcf);
-  init_rate_control(&cpi->oxcf, cpi->pass, &cpi->rc);
+  vp9_rc_init(&cpi->oxcf, cpi->pass, &cpi->rc);
   init_pick_mode_context(cpi);
 
   cm->current_video_frame = 0;
--- a/vp9/encoder/vp9_onyx_int.h
+++ b/vp9/encoder/vp9_onyx_int.h
@@ -185,7 +185,7 @@
   AQ_MODE_COUNT  // This should always be the last member of the enum
 } AQ_MODE;
 
-typedef struct {
+typedef struct VP9_CONFIG {
   int version;  // 4 versions of bitstream defined:
                 //   0 - best quality/slowest decode,
                 //   3 - lowest quality/fastest decode
--- a/vp9/encoder/vp9_ratectrl.c
+++ b/vp9/encoder/vp9_ratectrl.c
@@ -184,6 +184,56 @@
   }
 }
 
+void vp9_rc_init(const VP9_CONFIG *oxcf, int pass, RATE_CONTROL *rc) {
+  if (pass == 0 && oxcf->end_usage == USAGE_STREAM_FROM_SERVER) {
+    rc->avg_frame_qindex[0] = oxcf->worst_allowed_q;
+    rc->avg_frame_qindex[1] = oxcf->worst_allowed_q;
+    rc->avg_frame_qindex[2] = oxcf->worst_allowed_q;
+  } else {
+    rc->avg_frame_qindex[0] = (oxcf->worst_allowed_q +
+                                   oxcf->best_allowed_q) / 2;
+    rc->avg_frame_qindex[1] = (oxcf->worst_allowed_q +
+                                   oxcf->best_allowed_q) / 2;
+    rc->avg_frame_qindex[2] = (oxcf->worst_allowed_q +
+                                   oxcf->best_allowed_q) / 2;
+  }
+
+  rc->last_q[0] = oxcf->best_allowed_q;
+  rc->last_q[1] = oxcf->best_allowed_q;
+  rc->last_q[2] = oxcf->best_allowed_q;
+
+  rc->buffer_level =    oxcf->starting_buffer_level;
+  rc->bits_off_target = oxcf->starting_buffer_level;
+
+  rc->rolling_target_bits      = rc->av_per_frame_bandwidth;
+  rc->rolling_actual_bits      = rc->av_per_frame_bandwidth;
+  rc->long_rolling_target_bits = rc->av_per_frame_bandwidth;
+  rc->long_rolling_actual_bits = rc->av_per_frame_bandwidth;
+
+  rc->total_actual_bits = 0;
+  rc->total_target_vs_actual = 0;
+
+  rc->baseline_gf_interval = DEFAULT_GF_INTERVAL;
+  rc->frames_since_key = 8;  // Sensible default for first frame.
+  rc->this_key_frame_forced = 0;
+  rc->next_key_frame_forced = 0;
+  rc->source_alt_ref_pending = 0;
+  rc->source_alt_ref_active = 0;
+
+  rc->frames_till_gf_update_due = 0;
+
+  rc->ni_av_qi = oxcf->worst_allowed_q;
+  rc->ni_tot_qi = 0;
+  rc->ni_frames = 0;
+
+  rc->tot_q = 0.0;
+  rc->avg_q = vp9_convert_qindex_to_q(oxcf->worst_allowed_q);
+
+  rc->rate_correction_factor = 1.0;
+  rc->key_frame_rate_correction_factor = 1.0;
+  rc->gf_rate_correction_factor = 1.0;
+}
+
 int vp9_rc_drop_frame(VP9_COMP *cpi) {
   const VP9_CONFIG *oxcf = &cpi->oxcf;
   RATE_CONTROL *const rc = &cpi->rc;
--- a/vp9/encoder/vp9_ratectrl.h
+++ b/vp9/encoder/vp9_ratectrl.h
@@ -87,6 +87,9 @@
 } RATE_CONTROL;
 
 struct VP9_COMP;
+struct VP9_CONFIG;
+
+void vp9_rc_init(const struct VP9_CONFIG *oxcf, int pass, RATE_CONTROL *rc);
 
 double vp9_convert_qindex_to_q(int qindex);
 
-- 
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